Mri abnormalities

Xem 1-16 trên 16 kết quả Mri abnormalities
  • (BQ) Part 1 book "Brain Imaging with MRI and CT" presents the following contents: Bilateral predominantly symmetric abnormalities, sellar, perisellar and midline lesions, parenchymal defects or abnormal volume.

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  • (BQ) Part 2 book "Brain Imaging with MRI and CT" presents the following contents: Abnormalities without significant mass effect, primarily extra axial focal space occupying lesions, primarily intra axial masses, intracranial calcifications.

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  • Congenital heart disease in newborns is associated with global impairment in development. We characterized brain metabolism and microstructure, as measures of brain maturation, in newborns with congenital heart disease before they underwent heart surgery. Methods We studied 41 term newborns with congenital heart disease — 29 who had transposition of the great arteries and 12 who had single-ventricle physiology — with the use of magnetic resonance imaging (MRI), magnetic resonance spectroscopy (MRS), and diffusion tensor imaging (DTI) before cardiac surgery....

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  • Clinical course of CLL is variable. Recently, progress has been made in the identification of biological markers that could predict disease progression. Particularly, the expression of unmutated Ig genes, some cytogenetic abnormalities like 17p and 11q deletions and the expression of the zeta-associated protein 70 (ZAP-70) are associated to a poor prognosis.

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  • Govender et al. present an important overview of criteria employed to predict recurrence and progression to MS, with particular attention given to radiological findings. Guevara Campos and González Guevara focus specifically on Landau Kleffner syndrome (LKS; sometimes called infantile acquired aphasia), in which language comprehension and expression impairments emerge after an initial period of normal development.

    pdf456p wqwqwqwqwq 21-07-2012 45 9   Download

  • In Chapter 5, Carrascosa Romero and de Cabo de la Vega consider the relevance of genetics and brain imaging findings in the diagnosis of diseases which result from abnormal development or neoplasia of cells derived from the neural crest (neurocristopathies). Koga and Saito (Chapter 6) provide a beautifully illustrated discussion of the use of neuroimaging tools to guide gamma knife radiosurgery.

    pdf232p wqwqwqwqwq 21-07-2012 45 8   Download

  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học General Psychiatry cung cấp cho các bạn kiến thức về ngành y đề tài: What is the clinical and ethical importance of incidental abnormalities found by knee MRI?

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  • Đây là một nhồi máu bên điển hình. Một hình thái RS 0,5 là quan sát V1 dẫn với một làn sóng đối xứng T tích cực, không có sóng Q dẫn kém, nhưng với một làn sóng Q rõ ràng dẫn của lưng (V7-V9). Trong trường hợp này, mối tương quan với các kỹ thuật hình ảnh, đặc biệt là hạt nhân cộng hưởng từ (MRI)

    pdf18p kimku12 27-10-2011 30 2   Download

  • The advantages and limitations of conventional structural MRI for the diagnosis and monitoring of MS are discussed by Andreadou (Chapter 15). There is often a disparity between the level of structural abnormality seen on MRI and level of cognitive difficulties expressed by the patient with MS. Clinical interview and neuropsychological assessment are vitally impairment, not only from an initial diagnostic perspective but also in terms of longer term planning and care.

    pdf218p wqwqwqwqwq 21-07-2012 63 14   Download

  • These disorders are caused by maturational white matter abnormalities and therefore white matter tractography (using DTI) can offer advantages over conventional MRI in the detectability of clinically relevant microstructural features. High field strength structural MR scanning (up to 7 tesla for clinical and research use in humans) is now available in some countries, and this greatly enhances the spatial resolution over that offered by standard clinical facilities (typically 1.5 or 3 tesla).

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  • While history and examination will always remain the foundation of neurolog- ical diagnosis, MRI and CT have now become the most important diagnostic tests used by neurologists and neurosurgeons. These tests are critical not only for confirming clinical diagnosis, but in many cases will give additional infor- mation absolutely essential to patient care. Modern clinical diagnosis and treat- ment of central nervous system disorders relies heavily upon neuroimaging. In some cases, the optimal management of clinical problems affecting patients with brain tumors, strokes, etc.

    pdf187p layon_5 30-03-2013 20 7   Download

  • Evaluation of Patients with Pathologic Vestibular Vertigo The evaluation depends on whether a central etiology is suspected (Table 22-2). If so, MRI of the head is mandatory. Such an examination is rarely helpful in cases of recurrent monosymptomatic vertigo with a normal neurologic examination. Typical BPPV requires no investigation after the diagnosis is made (Table 22-1).

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  • Clinical Presentation and Staging Patients with cervix cancer generally are asymptomatic, and the disease is detected on routine pelvic examination. Others present with abnormal bleeding or postcoital spotting that may increase to intermenstrual or prominent menstrual bleeding. Yellowish vaginal discharge, lumbosacral back pain, lower-extremity edema, and urinary symptoms may be present. The staging of cervical carcinoma is clinical and generally completed with a pelvic examination under anesthesia with cystoscopy and proctoscopy.

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  • Obtaining an accurate 24-hour-sleep-wake history is extremly important. History should be focused also on relevant factors as medical history, compensation of epilepsy, type and frequency of epileptic seizures, their incidence according to circadian cycle and actual antiepileptic medication, or other drug and medication use. Also social, enviromental or psychological conditions, which may interfere with sleep quality, should be evaluated. Neurological examination in connection with neuroimaging methods (MRI) can detect cerebral leasions as the reason of sleep problems.

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  • Balke et al. Journal of Orthopaedic Surgery and Research 2010, 5:11 CASE REPORT Open Access Unilateral aplasia of both cruciate ligaments Maurice Balke1*, Jonas Mueller-Huebenthal2, Sven Shafizadeh1, Dennis Liem3, Juergen Hoeher4 Abstract Aplasia of both cruciate ligaments is a rare congenital disorder. A 28-year-old male presented with pain and the feeling of instability of his right knee after trauma. The provided MRI and previous arthroscopy reports did not indicate any abnormalities except cruciate ligament tears.

    pdf5p sting01 15-01-2012 23 2   Download

  • MRI and its derivatives have demonstrated important findings in ASD as has been reviewed extensively [13-16]. The earliest anatomical studies involved recog- nition that young children with ASD have abnormally increased total brain volumes that appear related to both increased grey and white matter volumes, with a differentially higher white matter contribution. Brain size in ASD appears to reach a 10% increase beyond control values by two to four years of age, possibly fol- lowed by a plateau.

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